APA (7th ed.) Citation

Elmer, A. D. E. (1906). Leaflets of Philippine botany. [publisher not identified].

Chicago Style (17th ed.) Citation

Elmer, A. D. E. Leaflets of Philippine Botany. Manila: [publisher not identified], 1906.

MLA (9th ed.) Citation

Elmer, A. D. E. Leaflets of Philippine Botany. [publisher not identified], 1906.